package thread;

public class SyncDemo4 {
    public static void main(String[] args) {
        Boo boo = new Boo();
        new Thread(boo::methodA).start();
        new Thread(()->boo.methodB()).start();
    }
}
class Boo{
    public synchronized void methodA(){
        try {
            Thread t = Thread.currentThread();
            System.out.println(t.getName()+"正在执行A方法...");
            Thread.sleep(5000);
            System.out.println(t.getName()+"A方法执行结束");
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
    }
    public  void methodB(){
        synchronized(this) {
            try {
                Thread t = Thread.currentThread();
                System.out.println(t.getName() + "正在执行B方法...");
                Thread.sleep(5000);
                System.out.println(t.getName() + "B方法执行结束");
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }
    }
}